In which city are the headquarters of Organization of the Petroleum Exporting Countries?

More Questions:

A tree which is deciduous does what?

Which band member of Blind Melon died of drug overdose?

In which US state is George A. Romero's 1968 film "Night of the Living Dead" set?

Who was the main actor in the movie "A Beautiful Mind"?

Anthony Robert McMillan is more famous as who?

What is the name of the soap opera that Miranda loves watching in "Sex and the City"?

Whose sidekick was named Paul Shaffer?

Drug lord Mr. Big is the villain of what James Bond movie?

Who shot President James Garfield?

When was John F. Kennedy assassinated?

What was the nickname of WWI figure Manfred von Richtofen?

Which century saw the appearance of playing cards?

The original name of New York City was what?

What year marked the first appearance of Rudolph the Red-Nosed Reindeer?

The "Bodansky Unit", now an obsolete unit, used to measure the concentration of what in the blood stream?